Cita APA (7a ed.)

Newman, S., & Lonsdale, S. (1996). Human jungle. [s.n].

Cita Chicago Style (17a ed.)

Newman, Stanton, y Susan Lonsdale. Human Jungle. Ebury PreSS, U.K: [s.n], 1996.

Cita MLA (9a ed.)

Newman, Stanton, y Susan Lonsdale. Human Jungle. [s.n], 1996.